74% knows the answer to this question: "What device consists of one or more cells that produce direct current? "

And do you know the answer to this one? "What gives blue cheese its color?"

63% knows the answer to this question: "What is 27 take away 8? "

And do you know the answer to this one? "Hawkeye and Trapper John were characters on what popular TV series which debuted in 1972?"

85% knows the answer to this question: "What is 23 added to 88? "

And do you know the answer to this one? "Which country, capital Bangkok, used to be called Siam?"

54% knows the answer to this question: "The failure to produce enough insulin leads to which medical condition? "

And do you know the answer to this one? "In what country would you find the world's third-longest river, the Yangtze?"

57% knows the answer to this question: "What 1993 movie included the characters named Casey Wong and RoboCop? "

And do you know the answer to this one? "Cirrhosis is a disease affecting which organ?"

91% knows the answer to this question: "What was the first name of Mr Tell, who in 1307 shot an apple from his son's head? "

And do you know the answer to this one? "Enro Rubik became a Communist millionaire thanks to what invention?"

82% knows the answer to this question: "What is 10% of 80 plus 7? "

And do you know the answer to this one? "How long is a decade?"

72% knows the answer to this question: "What kind of disorder was previously known as manic depression? "

And do you know the answer to this one? "Which species of bird is the smallest?"

51% knows the answer to this question: "What is the state abbreviation for Pennsylvania? "

And do you know the answer to this one? "Which of these is the state abbreviation for Kentucky?"

93% knows the answer to this question: "Liverpool is a city in which European country? "

And do you know the answer to this one? "Jerk chicken, fried plantains and mango ice cream are popular foods of what country's cuisine?"

35% knows the answer to this question: "Over 2,340 miles, what river forms the boundary or part of the boundary of nine US states? "

And do you know the answer to this one? "In 1935, Hugh Troy slipped some corned beef into an art exhibit at the Met and claimed it was what artist's severed ear?"

49% knows the answer to this question: "What Eastwood was the star of the 1950s series "Rawhide"? "

And do you know the answer to this one? "What was the name of Tolkien's second "Lord of the Rings" book, published in 1955?"